1974 Izu Peninsula earthquake

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1974 Izu Peninsula earthquake
1974 Izu Peninsula earthquake is located in Japan
1974 Izu Peninsula earthquake
Date May 8, 1974 UTC
Magnitude 6.5 Ms
Depth 10 km
Epicenter 34°36′N 138°48′E / 34.6°N 138.8°E / 34.6; 138.8
Areas affected Japan
Casualties 25 killed

The 1974 Izu Peninsula earthquake (Japanese: 1974年伊豆半島沖地震 Sen-kyūhyaku-nanajūyo-nen Izu-hantō-oki Jishin) occurred on May 9 at 08:33 local time. The epicenter was located off the Izu Peninsula, Japan. 25 people were reported dead. Landslides and damage of roads, buildings, and infrastructure were reported. This earthquake triggered a small tsunami.[1] The intensity in Tokyo reached shindo 3.[2] The magnitude of this earthquake was put at Ms 6.5, or Mjma 6.9.[3][4]


  1. ^ Hatori T. (1974). "An Investigation of Small Tsunami Generated by the Izu-Hanto-oki Earthquake of 1974" (PDF). 14: 115–120. 
  2. ^ Tamura C. "Report on Damages to Structures in the Off Izu Peninsula Earthquake in May 9, 1974" (PDF): 8–28. 
  3. ^ Noguchi S. (1979). "On the Relation between Surface-Wave Magnitude and JMA Magnitude" (PDF). Journal of the Faculty of Science, Hokkaido University, Ser. VII. 6 (1): 213–225. 
  4. ^ Akao Y., Noda S. & Inoue R. (1988). "Theoretical and semi-empirical approaches by using normal mode solution for reproducing seismic motions at intermediate periods" (PDF). Proceedings of Ninth World Conference on Earthquake Engineering August 2–9, 1988, Tokyo-Kyoto, JAPAN (Vol. II). pp. 769–774. Retrieved 2013-06-23.